Fertilizer
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A fertilizer or fertiliser is any material of natural or synthetic origin that is applied to soil or to plant tissues to supply plant nutrients. Fertilizers may be distinct from liming materials or ot
A farmer spreading manure to improve soil fertility
Founded in 1812, Mirat, producer of manures and fertilizers, is claimed to be the oldest industrial business in Salamanca (Spain).
Six tomato plants grown with and without nitrate fertilizer on nutrient-poor sand/clay soil. One of the plants in the nutrient-poor soil has died.
Compound fertilizer
Ammonium nitrate
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Ammonium nitrate is a chemical compound with the formula NH4NO3. It is a white crystalline salt consisting of ions of ammonium and nitrate. It is highly soluble in water and hygroscopic as a solid, bu
Fertilizer
…nitrogen-based straight fertilizer is ammonia (NH3), ionized in solution as ammonium (NH4+), applied in the form of salts or derivatives, including: Ammonium nitrate (NH4NO3) with 34-35% nitrogen is widely used. Urea (CO(NH2)2), with 45-46% nitrogen, another popular source of nitrogen, having the advantage that it…
Ammonium Nitrate